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Finding the Fourth Proportional to 556,111.40, 834,167.10 and 182,172.20

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Solution

The fourth proportional to 556,111.40, 834,167.10 and 182,172.20 is: 273,258.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,111.40 : 834,167.10 = 182,172.20 : x
  2. Step 2: Convert to fraction form
    556,111.40/834,167.10 = 182,172.20/x
  3. Step 3: Cross multiply
    556,111.40x = 834,167.10 × 182,172.20
  4. Step 4: Simplify right side
    556,111.40x = 151,962,055,774.62
  5. Step 5: Solve for x
    x = 151,962,055,774.62/556,111.40
  6. Step 6: Final answer
    x = 273,258.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.